1 /*
2 * Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
3 * Copyright (C) 2001 Peter Kelly (pmk@post.com)
4 * Copyright (C) 2003, 2007 Apple Inc.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB. If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
20 *
21 */
22
23 #include "config.h"
24 #include "Completion.h"
25
26 #include "CallFrame.h"
27 #include "JSGlobalObject.h"
28 #include "JSLock.h"
29 #include "Interpreter.h"
30 #include "Parser.h"
31 #include "Debugger.h"
32 #include <stdio.h>
33
34 #if !PLATFORM(WIN_OS)
35 #include <unistd.h>
36 #endif
37
38 namespace JSC {
39
checkSyntax(ExecState * exec,const SourceCode & source)40 Completion checkSyntax(ExecState* exec, const SourceCode& source)
41 {
42 JSLock lock(exec);
43
44 int errLine;
45 UString errMsg;
46
47 RefPtr<ProgramNode> progNode = exec->globalData().parser->parse<ProgramNode>(exec, exec->dynamicGlobalObject()->debugger(), source, &errLine, &errMsg);
48 if (!progNode)
49 return Completion(Throw, Error::create(exec, SyntaxError, errMsg, errLine, source.provider()->asID(), source.provider()->url()));
50 return Completion(Normal);
51 }
52
evaluate(ExecState * exec,ScopeChain & scopeChain,const SourceCode & source,JSValuePtr thisValue)53 Completion evaluate(ExecState* exec, ScopeChain& scopeChain, const SourceCode& source, JSValuePtr thisValue)
54 {
55 JSLock lock(exec);
56
57 int errLine;
58 UString errMsg;
59 RefPtr<ProgramNode> programNode = exec->globalData().parser->parse<ProgramNode>(exec, exec->dynamicGlobalObject()->debugger(), source, &errLine, &errMsg);
60
61 if (!programNode)
62 return Completion(Throw, Error::create(exec, SyntaxError, errMsg, errLine, source.provider()->asID(), source.provider()->url()));
63
64 JSObject* thisObj = (!thisValue || thisValue.isUndefinedOrNull()) ? exec->dynamicGlobalObject() : thisValue.toObject(exec);
65
66 JSValuePtr exception = noValue();
67 JSValuePtr result = exec->interpreter()->execute(programNode.get(), exec, scopeChain.node(), thisObj, &exception);
68
69 if (exception) {
70 if (exception.isObject() && asObject(exception)->isWatchdogException())
71 return Completion(Interrupted, result);
72 return Completion(Throw, exception);
73 }
74 return Completion(Normal, result);
75 }
76
77 } // namespace JSC
78